CVE-2026-48900
Joomla! Core - [20260516] - Incorrect Access Control in com_scheduler
An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
Joomla! Core - [20260516] - Incorrect Access Control in com_scheduler
An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.
- Record
CVE-2026-48900- CVSS 4.0
- 6.4 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:H/SI:H/SA:H - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2026-31879
An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.
- Record
EUVD-2026-31879- CVSS 4.0
- 6.4 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:H/SI:H/SA:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-cwvc-2p7m-grcm
An improper access check allowed low privileged users to edit the task types of existing...
An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.
- Record
GHSA-cwvc-2p7m-grcm- CVSS 4.0
- 6.4 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.
- Record
CVE-2026-48900- CVSS 4.0
- 6.4 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
OSV
An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.
- Record
CVE-2026-48900- CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSVBIT-joomla-2026-48900 No score
Joomla! Core - [20260516] - Incorrect Access Control in com_scheduler
An improper access check allowed low privileged users to edit the task types of existing scheduler tasks.
- Record
BIT-joomla-2026-48900- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
joomlaBitnami |
4.1.0 up to 5.4.6, 6.0.0 up to 6.1.1 | 5.4.66.1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-48900 is a medium vulnerability (CVSS 6.4) in Joomla Joomla\!, published May 26, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 5th percentile. Fixed in joomla 5.4.6.